You can use skill labels in skill matrices. Many labels can be added to each skill group.
How can you create and add a label?
Choose a skill you want to add a label to and click the edit icon.
Choose "Edit labels" option
You can choose a label from the list
If no labels have been created in your workspace yet, you won't see any in the list of existing labels. In this case, you can create a new label.
Write a name for your label, choose the color and click to "Save label"
You can also add labels by creating a skill group. To do this, click on the name of skill group
Then press "Add labels to all skills"
Skills filter
You can filter the skills on the skill matrix by a label. Click on the "Filters". Then choose "Labels" and make a search
Choose labels you need in the list and find the skills you chose.