What is the TL;DR of the category? What do tools in this category let you do?
These tools make writing and editing code easier.
Why would I need to use it? Why would I need to start using it?
One must use some type of text editor to write and save any code, however some editors have benefits that extend beyond the initial, basic needs.
Where in the Programming design/pipeline is this category of tools used? Learn more.
Text editors are the required to write any software, so they are essentially the first step in the pipeline.