How to remove unwanted widgets from MacBook Air desktop?

My desktop has taken to open boxes for photos, weather and calendar on the left hand side and I don’t want to see them all the time. How do I get rid please? M4 MacBook Air.

[Re-Titled by Moderator]

Original Title: My desktop has taken to open boxes for photos, weather and calendar on the left hand side and I don’t want to see them all the time. How do I get rid please? M4 MacBook Air.