diff --git a/src/backend/graph.js b/src/backend/graph.js
index bce2d5e..b250dc9 100644
--- a/src/backend/graph.js
+++ b/src/backend/graph.js
@@ -1,47 +1,47 @@
 // @flow
 
-export type ID = {
-  pluginName: string,
+export type Address = {
   repositoryName: string,
-  name: string,
+  pluginName: string,
+  id: string,
 };
 
-export type GraphNode<T> = {
-  id: ID,
-  edges: ID[],
+export type Node<T> = {
+  address: Address,
+  edges: Address[],
   payload: T,
 };
 
-export type GraphEdge<T> = {
-  id: ID,
-  sourceId: ID,
-  destId: ID,
+export type Edge<T> = {
+  address: Address,
+  sourceId: Address,
+  destId: Address,
   weight: number,
   payload: T,
 };
 
 export type Graph = {
-  nodes: {[stringID: string]: GraphNode<mixed>},
-  edges: {[stringID: string]: GraphEdge<mixed>},
+  nodes: {[stringAddress: string]: Node<mixed>},
+  edges: {[stringAddress: string]: Edge<mixed>},
 };
 
-export function idToString(id: ID) {
-  if (id.pluginName.includes("$")) {
-    const escaped = JSON.stringify(id.pluginName);
-    throw new Error(`id.pluginName must not include "\$": ${escaped}`);
+export function addressToString(address: Address) {
+  if (address.pluginName.includes("$")) {
+    const escaped = JSON.stringify(address.pluginName);
+    throw new Error(`address.pluginName must not include "\$": ${escaped}`);
   }
-  if (id.repositoryName.includes("$")) {
-    const escaped = JSON.stringify(id.repositoryName);
-    throw new Error(`id.repositoryName must not include "\$": ${escaped}`);
+  if (address.repositoryName.includes("$")) {
+    const escaped = JSON.stringify(address.repositoryName);
+    throw new Error(`address.repositoryName must not include "\$": ${escaped}`);
   }
-  if (id.name.includes("$")) {
-    const escaped = JSON.stringify(id.name);
-    throw new Error(`id.name must not include "\$": ${escaped}`);
+  if (address.id.includes("$")) {
+    const escaped = JSON.stringify(address.id);
+    throw new Error(`address.id must not include "\$": ${escaped}`);
   }
-  return `${id.pluginName}\$${id.repositoryName}\$${id.name}`;
+  return `${address.pluginName}\$${address.repositoryName}\$${address.id}`;
 }
 
-export function stringToID(string: string) {
+export function stringToAddress(string: string) {
   const parts = string.split("$");
   if (parts.length !== 3) {
     const escaped = JSON.stringify(string);
@@ -50,6 +50,6 @@ export function stringToID(string: string) {
   return {
     pluginName: parts[0],
     repositoryName: parts[1],
-    name: parts[2],
+    id: parts[2],
   };
 }
diff --git a/src/backend/graph.test.js b/src/backend/graph.test.js
index 47b5c79..b50ee9b 100644
--- a/src/backend/graph.test.js
+++ b/src/backend/graph.test.js
@@ -1,72 +1,72 @@
-import {idToString, stringToID} from "./graph";
+import {addressToString, stringToAddress} from "./graph";
 
 describe("graph", () => {
-  describe("idToString", () => {
-    const makeSimpleID = () => ({
+  describe("addressToString", () => {
+    const makeSimpleAddress = () => ({
       pluginName: "widgets",
       repositoryName: "megacorp/megawidget",
-      name: "issue#123",
+      id: "issue#123",
     });
-    it("stringifies a simple ID", () => {
-      const input = makeSimpleID();
+    it("stringifies a simple Address", () => {
+      const input = makeSimpleAddress();
       const expected = "widgets$megacorp/megawidget$issue#123";
-      expect(idToString(input)).toEqual(expected);
+      expect(addressToString(input)).toEqual(expected);
     });
     function expectRejection(attribute, value) {
-      const input = {...makeSimpleID(), [attribute]: value};
-      expect(() => idToString(input)).toThrow(RegExp(attribute));
+      const input = {...makeSimpleAddress(), [attribute]: value};
+      expect(() => addressToString(input)).toThrow(RegExp(attribute));
       // (escaping regexp in JavaScript is a nightmare; ignore it)
     }
-    it("rejects an ID with $-signs in plugin name", () => {
+    it("rejects an Address with $-signs in plugin name", () => {
       expectRejection("pluginName", "widg$ets");
     });
-    it("rejects an ID with $-signs in repository name", () => {
+    it("rejects an Address with $-signs in repository name", () => {
       expectRejection("repositoryName", "megacorp$megawidget");
     });
-    it("rejects an ID with $-signs in name", () => {
-      expectRejection("name", "issue$123");
+    it("rejects an Address with $-signs in id", () => {
+      expectRejection("id", "issue$123");
     });
   });
 
-  describe("stringToID", () => {
-    it("parses a simple ID-string", () => {
+  describe("stringToAddress", () => {
+    it("parses a simple Address-string", () => {
       const input = "widgets$megacorp/megawidget$issue#123";
       const expected = {
         pluginName: "widgets",
         repositoryName: "megacorp/megawidget",
-        name: "issue#123",
+        id: "issue#123",
       };
-      expect(stringToID(input)).toEqual(expected);
+      expect(stringToAddress(input)).toEqual(expected);
     });
     [0, 1, 3, 4].forEach((n) => {
-      it(`rejects an ID-string with ${n} occurrences of "\$"`, () => {
+      it(`rejects an Address-string with ${n} occurrences of "\$"`, () => {
         const dollars = Array(n + 1).join("$");
         const input = `mega${dollars}corp`;
-        expect(() => stringToID(input)).toThrow(/exactly two \$s/);
+        expect(() => stringToAddress(input)).toThrow(/exactly two \$s/);
       });
     });
   });
 
-  describe("stringToID and idToString interop", () => {
+  describe("stringToAddress and addressToString interop", () => {
     const examples = () => [
       {
         object: {
           pluginName: "widgets",
           repositoryName: "megacorp/megawidget",
-          name: "issue#123",
+          id: "issue#123",
         },
         string: "widgets$megacorp/megawidget$issue#123",
       },
     ];
     examples().forEach((example, index) => {
       describe(`for example at 0-index ${index}`, () => {
-        it("has stringToID a left identity for idToString", () => {
-          expect(stringToID(idToString(example.object))).toEqual(
+        it("has stringToAddress a left identity for addressToString", () => {
+          expect(stringToAddress(addressToString(example.object))).toEqual(
             example.object
           );
         });
-        it("has stringToID a right identity for idToString", () => {
-          expect(idToString(stringToID(example.string))).toEqual(
+        it("has stringToAddress a right identity for addressToString", () => {
+          expect(addressToString(stringToAddress(example.string))).toEqual(
             example.string
           );
         });