Best UI for setting multiple options

1. What is the best UI for multi selecting from a list?
2. What are the top 3 most important things in a good UI design?

What is the best UI for multi selecting from a list?

A multi-select pillbox is a suitable option if the user is familiar with the list's content and knows precisely what they're searching for. By searching or simply scrolling through the list, they can quickly locate what they are looking for.

What are the top 3 most important things in a good UI design?

The UI design principals are:

Make it comfortable to interact with a product. Reduce cognitive load. Make user interfaces consistent.