An Introduction to Sequence Diagrams

Sequence diagrams are standardized diagrams used by Solutions Architects to describe the way that different components of a software system interact with one another over time.

Today, it's very rare to build a digital product that won't connect to other tools and services. Usually, something like a marketing website will integrate with a tool like HubSpot and a platform like Google Analytics. As the complexity of an application grows, there are more components working together.

This is where the sequence diagram comes in.

How to Read Sequence Diagrams

Here is an example sequence diagram I created for this post:

Sequence diagrams show the flow of information through a system