diff --git a/dashboard/components/Layout.tsx b/dashboard/components/Layout.tsx
index e229ca13a2f01..c393da9839953 100644
--- a/dashboard/components/Layout.tsx
+++ b/dashboard/components/Layout.tsx
@@ -146,7 +146,7 @@ function Layout({ children }: { children: React.ReactNode }) {
             <NavTitle>Streaming</NavTitle>
             <NavButton href="/dependency_graph/">Dependency Graph</NavButton>
             <NavButton href="/fragment_graph/">Fragment Graph</NavButton>
-            <NavButton href="/ddl_graph/">Ddl Graph</NavButton>
+            <NavButton href="/relation_graph/">Relation Graph</NavButton>
           </Section>
           <Section>
             <NavTitle>Batch</NavTitle>
diff --git a/dashboard/components/DdlGraph.tsx b/dashboard/components/RelationGraph.tsx
similarity index 62%
rename from dashboard/components/DdlGraph.tsx
rename to dashboard/components/RelationGraph.tsx
index 1a997f7c4d449..cab1a8369d049 100644
--- a/dashboard/components/DdlGraph.tsx
+++ b/dashboard/components/RelationGraph.tsx
@@ -4,86 +4,86 @@ import * as d3 from "d3"
 import { cloneDeep } from "lodash"
 import { Fragment, useCallback, useEffect, useRef } from "react"
 import {
-  DdlBox,
+  RelationBox,
   Edge,
   Enter,
   Position,
-  generateDdlEdges,
+  generateRelationBackPressureEdges,
   layoutItem,
 } from "../lib/layout"
 
 const nodeRadius = 12
-const ddlLayoutX = nodeRadius * 8
-const ddlLayoutY = nodeRadius * 8
-const ddlNameX = nodeRadius * 4
-const ddlNameY = nodeRadius * 7
-const ddlMarginX = nodeRadius * 2
-const ddlMarginY = nodeRadius * 2
-
-export default function DdlGraph({
-  ddlDependency,
+const relationLayoutX = nodeRadius * 8
+const relationLayoutY = nodeRadius * 8
+const relationNameX = nodeRadius * 4
+const relationNameY = nodeRadius * 7
+const relationMarginX = nodeRadius * 2
+const relationMarginY = nodeRadius * 2
+
+export default function RelationGraph({
+  relationDependency,
   backPressures,
 }: {
-  ddlDependency: DdlBox[] // Ddl adjacency list, metadata
+  relationDependency: RelationBox[] // Relation adjacency list, metadata
   backPressures?: Map<string, number> // relationId-relationId->back_pressure_rate
 }) {
   const svgRef = useRef<SVGSVGElement>(null)
 
-  const ddlDependencyDagCallback = useCallback(() => {
-    const ddlDependencyDag = cloneDeep(ddlDependency)
+  const relationDependencyDagCallback = useCallback(() => {
+    const relationDependencyDag = cloneDeep(relationDependency)
 
-    const layoutDdlResult = new Map<string, any>()
-    const includedDdlIds = new Set<string>()
-    for (const ddlBox of ddlDependencyDag) {
-      let ddlId = ddlBox.id
-      layoutDdlResult.set(ddlId, {
-        ddlName: ddlBox.ddlName,
-        schemaName: ddlBox.schemaName,
+    const layoutRelationResult = new Map<string, any>()
+    const includedRelationIds = new Set<string>()
+    for (const relationBox of relationDependencyDag) {
+      let relationId = relationBox.id
+       layoutRelationResult.set(relationId, {
+        relationName: relationBox.relationName,
+        schemaName: relationBox.schemaName,
       })
-      includedDdlIds.add(ddlId)
+      includedRelationIds.add(relationId)
     }
 
-    const ddlLayout = layoutItem(
-      ddlDependencyDag.map(({ width: _1, height: _2, id, ...data }) => {
-        return { width: ddlLayoutX, height: ddlLayoutY, id, ...data }
+    const relationLayout = layoutItem(
+      relationDependencyDag.map(({ width: _1, height: _2, id, ...data }) => {
+        return { width: relationLayoutX, height: relationLayoutY, id, ...data }
       }),
-      ddlMarginX,
-      ddlMarginY
+      relationMarginX,
+      relationMarginY
     )
 
     let svgWidth = 0
     let svgHeight = 0
-    ddlLayout.forEach(({ x, y }) => {
-      svgHeight = Math.max(svgHeight, y + ddlLayoutX)
-      svgWidth = Math.max(svgWidth, x + ddlLayoutY)
+    relationLayout.forEach(({ x, y }) => {
+      svgHeight = Math.max(svgHeight, y + relationLayoutX)
+      svgWidth = Math.max(svgWidth, x + relationLayoutY)
     })
-    const edges = generateDdlEdges(ddlLayout)
+    const edges = generateRelationBackPressureEdges(relationLayout)
 
     return {
-      layoutResult: ddlLayout,
+      layoutResult: relationLayout,
       svgWidth,
       svgHeight,
       edges,
     }
-  }, [ddlDependency])
+  }, [relationDependency])
 
   const {
     svgWidth,
     svgHeight,
-    edges: ddlEdgeLayout,
-    layoutResult: ddlLayout,
-  } = ddlDependencyDagCallback()
+    edges: relationEdgeLayout,
+    layoutResult: relationLayout,
+  } = relationDependencyDagCallback()
 
   useEffect(() => {
-    if (ddlLayout) {
+    if (relationLayout) {
       const svgNode = svgRef.current
       const svgSelection = d3.select(svgNode)
 
-      // Ddls
-      const applyDdl = (gSel: DdlSelection) => {
+      // Relations
+      const applyRelation = (gSel: RelationSelection) => {
         gSel.attr("transform", ({ x, y }) => `translate(${x}, ${y})`)
 
-        // Render ddl name
+        // Render relation name
         {
           let text = gSel.select<SVGTextElement>(".text-frag-id")
           if (text.empty()) {
@@ -92,16 +92,16 @@ export default function DdlGraph({
 
           text
             .attr("fill", "black")
-            .text(({ ddlName, schemaName }) => `${schemaName}.${ddlName}`)
+            .text(({ relationName, schemaName }) => `${schemaName}.${relationName}`)
             .attr("font-family", "inherit")
             .attr("text-anchor", "middle")
-            .attr("dx", ddlNameX)
-            .attr("dy", ddlNameY)
+            .attr("dx", relationNameX)
+            .attr("dy", relationNameY)
             .attr("fill", "black")
             .attr("font-size", 12)
         }
 
-        // Render ddl node
+        // Render relation node
         {
           let circle = gSel.select<SVGCircleElement>("circle")
           if (circle.empty()) {
@@ -114,33 +114,33 @@ export default function DdlGraph({
           })
 
           circle
-            .attr("cx", ddlLayoutX / 2)
-            .attr("cy", ddlLayoutY / 2)
+            .attr("cx", relationLayoutX / 2)
+            .attr("cy", relationLayoutY / 2)
             .attr("fill", "white")
             .attr("stroke-width", 1)
             .attr("stroke", theme.colors.gray[500])
         }
       }
 
-      const createDdl = (sel: Enter<DdlSelection>) =>
-        sel.append("g").attr("class", "ddl").call(applyDdl)
+      const createRelation = (sel: Enter<RelationSelection>) =>
+        sel.append("g").attr("class", "relation").call(applyRelation)
 
-      const ddlSelection = svgSelection
-        .select<SVGGElement>(".ddls")
-        .selectAll<SVGGElement, null>(".ddl")
-        .data(ddlLayout)
-      type DdlSelection = typeof ddlSelection
+      const relationSelection = svgSelection
+        .select<SVGGElement>(".relations")
+        .selectAll<SVGGElement, null>(".relation")
+        .data(relationLayout)
+      type RelationSelection = typeof relationSelection
 
-      ddlSelection.enter().call(createDdl)
+      relationSelection.enter().call(createRelation)
       // TODO(kwannoel): Is this even needed? I commented it out.
-      // ddlSelection.call(applyDdl)
-      ddlSelection.exit().remove()
+      // relationSelection.call(applyRelation)
+      relationSelection.exit().remove()
 
-      // Ddl Edges
+      // Relation Edges
       const edgeSelection = svgSelection
-        .select<SVGGElement>(".ddl-edges")
-        .selectAll<SVGGElement, null>(".ddl-edge")
-        .data(ddlEdgeLayout)
+        .select<SVGGElement>(".relation-edges")
+        .selectAll<SVGGElement, null>(".relation-edge")
+        .data(relationEdgeLayout)
       type EdgeSelection = typeof edgeSelection
 
       const curveStyle = d3.curveMonotoneX
@@ -208,19 +208,19 @@ export default function DdlGraph({
         return gSel
       }
       const createEdge = (sel: Enter<EdgeSelection>) =>
-        sel.append("g").attr("class", "ddl-edge").call(applyEdge)
+        sel.append("g").attr("class", "relation-edge").call(applyEdge)
 
       edgeSelection.enter().call(createEdge)
       edgeSelection.call(applyEdge)
       edgeSelection.exit().remove()
     }
-  }, [ddlLayout, ddlEdgeLayout, backPressures])
+  }, [relationLayout, relationEdgeLayout, backPressures])
 
   return (
     <Fragment>
       <svg ref={svgRef} width={`${svgWidth}px`} height={`${svgHeight}px`}>
-        <g className="ddl-edges" />
-        <g className="ddls" />
+        <g className="relation-edges" />
+        <g className="relations" />
       </svg>
     </Fragment>
   )
diff --git a/dashboard/lib/layout.ts b/dashboard/lib/layout.ts
index f670cb4c12c9a..440a2b1d55895 100644
--- a/dashboard/lib/layout.ts
+++ b/dashboard/lib/layout.ts
@@ -293,8 +293,8 @@ export type FragmentBox = LayoutItemBase & {
   fragment: TableFragments_Fragment
 }
 
-export type DdlBox = LayoutItemBase & {
-  ddlName: string
+export type RelationBox = LayoutItemBase & {
+  relationName: string
   schemaName: string
 }
 
@@ -310,7 +310,7 @@ export interface Position {
 
 export type FragmentBoxPosition = FragmentBox & Position
 export type RelationPointPosition = RelationPoint & Position
-export type DdlBoxPosition = DdlBox & Position
+export type RelationBoxPosition = RelationBox & Position
 
 export interface Edge {
   points: Array<Position>
@@ -517,27 +517,27 @@ export function generateFragmentEdges(
   return links
 }
 
-export function generateDdlEdges(layoutMap: DdlBoxPosition[]): Edge[] {
+export function generateRelationBackPressureEdges(layoutMap: RelationBoxPosition[]): Edge[] {
   const links = []
-  const ddlMap = new Map<string, DdlBoxPosition>()
+  const relationMap = new Map<string, RelationBoxPosition>()
   for (const x of layoutMap) {
-    ddlMap.set(x.id, x)
+    relationMap.set(x.id, x)
   }
-  for (const ddl of layoutMap) {
-    for (const parentId of ddl.parentIds) {
-      const parentDdl = ddlMap.get(parentId)!
+  for (const relation of layoutMap) {
+    for (const parentId of relation.parentIds) {
+      const parentRelation = relationMap.get(parentId)!
       links.push({
         points: [
           {
-            x: ddl.x + ddl.width / 2,
-            y: ddl.y + ddl.height / 2,
+            x: relation.x + relation.width / 2,
+            y: relation.y + relation.height / 2,
           },
           {
-            x: parentDdl.x + parentDdl.width / 2,
-            y: parentDdl.y + parentDdl.height / 2,
+            x: parentRelation.x + parentRelation.width / 2,
+            y: parentRelation.y + parentRelation.height / 2,
           },
         ],
-        source: ddl.id,
+        source: relation.id,
         target: parentId,
       })
     }
diff --git a/dashboard/pages/ddl_graph.tsx b/dashboard/pages/relation_graph.tsx
similarity index 91%
rename from dashboard/pages/ddl_graph.tsx
rename to dashboard/pages/relation_graph.tsx
index e8c1485d44224..168d9095e076b 100644
--- a/dashboard/pages/ddl_graph.tsx
+++ b/dashboard/pages/relation_graph.tsx
@@ -28,7 +28,7 @@ import {
 import _ from "lodash"
 import Head from "next/head"
 import { Fragment, useCallback, useEffect, useMemo, useState } from "react"
-import DdlGraph from "../components/DdlGraph"
+import RelationGraph from "../components/RelationGraph"
 import Title from "../components/Title"
 import useErrorToast from "../hook/useErrorToast"
 import useFetch from "../lib/api/fetch"
@@ -44,19 +44,19 @@ import {
   getSchemas,
   getStreamingJobs, getRelationDependencies,
 } from "../lib/api/streaming"
-import { DdlBox } from "../lib/layout"
+import { RelationBox } from "../lib/layout"
 import { BackPressureInfo } from "../proto/gen/monitor_service"
 
 // Refresh interval (ms) for back pressure stats
 const INTERVAL_MS = 5000
 
-function buildDdlDependencyAsEdges(relations: StreamingJob[], relationDeps: Map<number, number[]>): DdlBox[] {
+function buildRelationDependencyAsEdges(relations: StreamingJob[], relationDeps: Map<number, number[]>): RelationBox[] {
   // Filter out non-streaming relations, e.g. source, views.
   let relationIds = new Set<number>()
   for (const relation of relations) {
     relationIds.add(relation.id)
   }
-  const nodes: DdlBox[] = []
+  const nodes: RelationBox[] = []
   for (const relation of relations) {
     let parentIds = relationDeps.get(relation.id)
     nodes.push({
@@ -69,7 +69,7 @@ function buildDdlDependencyAsEdges(relations: StreamingJob[], relationDeps: Map<
               .filter((x) => relationIds.has(x))
               .map((x) => x.toString())
           : [],
-      ddlName: relation.name,
+      relationName: relation.name,
       schemaName: relation.schemaName ? relation.schemaName : "",
     })
   }
@@ -107,7 +107,7 @@ export default function Streaming() {
     )
   }
 
-  const ddlDependencyCallback = useCallback(() => {
+  const relationDependencyCallback = useCallback(() => {
     if (relationList) {
       if (relationDeps) {
         if (schemas) {
@@ -117,16 +117,14 @@ export default function Streaming() {
             )?.name
             return { ...relation, schemaName }
           })
-          const ddlDep = buildDdlDependencyAsEdges(relationListWithSchemaName, relationDeps)
-          return {
-            ddlDep,
-          }
+          const relationDep = buildRelationDependencyAsEdges(relationListWithSchemaName, relationDeps)
+          return relationDep
         }
       }
     }
   }, [relationList, relationDeps, schemas])
 
-  const ddlDependency = ddlDependencyCallback()?.ddlDep
+  const relationDependency = relationDependencyCallback()
 
   const [backPressureDataSource, setBackPressureDataSource] =
     useState<BackPressureDataSource>("Embedded")
@@ -241,7 +239,7 @@ export default function Streaming() {
 
   const retVal = (
     <Flex p={3} height="calc(100vh - 20px)" flexDirection="column">
-      <Title>Ddl Graph</Title>
+      <Title>Relation Graph</Title>
       <Flex flexDirection="row" height="full" width="full">
         <VStack
           mr={3}
@@ -281,10 +279,10 @@ export default function Streaming() {
           overflowX="scroll"
           overflowY="scroll"
         >
-          <Text fontWeight="semibold">Ddl Graph</Text>
-          {ddlDependency && (
-            <DdlGraph
-              ddlDependency={ddlDependency}
+          <Text fontWeight="semibold">Relation Graph</Text>
+          {relationDependency && (
+            <RelationGraph
+              relationDependency={relationDependency}
               backPressures={backPressures}
             />
           )}
@@ -296,7 +294,7 @@ export default function Streaming() {
   return (
     <Fragment>
       <Head>
-        <title>Ddl Graph</title>
+        <title>Relation Graph</title>
       </Head>
       {retVal}
     </Fragment>