# Glossary

```{glossary}
Component
  Components are defined as calculation blocks that appear as boxes in the workspace. 

Connection
  A Connection is defined as a data link from an origin {term}`Component` output handle (right-hand side handle) to a target {term}`Component` input handle (left-hand side handle).

Run
  A single instance of the a session model analysis, with all its inputs and outputs, that involves one or more valid {term}`Component`s.

```