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project planning · events

Community workshop AON diagram

This activity-on-node diagram plans a community workshop in a short, readable network. Choosing the topic starts two parallel tasks: booking a room and inviting a speaker. Once both are ready, invitations can be published, while material preparation follows the speaker confirmation. The workshop itself waits for both communications and materials. Because activities are nodes, the arrows make predecessor relationships easy to inspect. It is useful for community groups, educators and event coordinators who need to agree a realistic sequence before they announce a session. Adapt the activities for registration, catering or accessibility checks as needed.

Type PERT / CPM network & Gantt chartStandard PMI PMBOK 7 + Moder 1983 (AON/PDM)Engine schematex-pertUpdated 9/24/2026
Community workshop AON
Drawing preview
The request

“Create an activity-on-node diagram for a community workshop: set the topic, book a room, invite a speaker, publish invitations, prepare materials, then run the workshop.”

Then tryAdd a two-day attendee registration task after invitations.Change material preparation to take four days.
What is in this drawing

Read the decisions behind it.

01Topic first

The room and speaker depend on an agreed topic.

02Invitation gate

Invitations wait for both room and speaker confirmation.

03Delivery gate

Materials and invitations must finish before the workshop.

Use this AON pattern for small events with parallel venue and speaker preparation.

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FAQ

Common questions

What can run in parallel?

Room booking and speaker invitation can begin after the topic is set.

Why do invitations wait?

They need both a confirmed room and speaker.

What is an AON diagram?

It is a network that represents each activity as a node.