Collections are groups of tabs that can be opened in one click. Collections are great for storing a set of tabs that pertain to a certain task, project, or daily habit. Collections help you save time by picking up where you left off, quickly switching contexts, and not waste any time finding and opening tabs.
When opening a collection you have a couple options:
This is great for instantly switching contexts. (You switch tasks or projects, an urgent todo comes up, or you are just done with what you're working on and move on to the next thing).