FLOW vs Lucidchart: a diagram is not a system of record

What diagram tools are genuinely good at

Fast visual thinking. A workshop whiteboard, a one-off architecture sketch, a slide for the board deck. If the artifact's job is to be looked at once and provoke a conversation, Lucidchart is excellent and FLOW is overkill.

Where the diagram ends

The trouble starts when the diagram is asked to be the documentation. A picture of a process cannot route a dangerous goods shipment differently from a standard one. It cannot carry a sign-off chain an auditor will accept. It cannot tell a new joiner which steps are theirs. And it cannot answer an AI agent asking what to do next, because there is nothing behind the boxes: no roles, no rules, no record.

So the diagram goes stale the day it is exported, every variant becomes another diagram, and within a year you have eleven slightly different pictures and no way to know which one is true.

The practical test

Ask of your current diagram: who owns step four? Which version did the auditor see? What changes when the shipment is temperature sensitive? If the diagram cannot answer, it is a picture. FLOW holds one master process where every step has an owner, every change has a version and an approval, and one scenario engine resolves the route per situation instead of per diagram. The full walkthrough is on the product page.

Migration is the easy part

FLOW imports Visio files directly and reads exported diagrams from other tools. The boxes and arrows you already drew become draft living processes; you approve, assign owners, and the drift stops. Nothing you made in the diagram era is wasted. Run the graveyard audit first if you want to know how much there is to bring back.