Mac tip - the bottom row of icons on your Apple computer is called the dock. You can add / remove items from the dock at any time.
Every time you open an app, if it is not in the dock, it will appear to the right of the vertical line.
𝐖𝐚𝐧𝐭 𝐭𝐨 𝐤𝐞𝐞𝐩 𝐚𝐧 𝐢𝐜𝐨𝐧 𝐢𝐧 𝐭𝐡𝐞 𝐝𝐨𝐜𝐤? Right mouse click on and left click Keep in dock.
𝐖𝐚𝐧𝐭 𝐭𝐨 𝐫𝐞𝐦𝐨𝐯𝐞 𝐚𝐧 𝐢𝐜𝐨𝐧 𝐟𝐫𝐨𝐦 𝐭𝐡𝐞 𝐝𝐨𝐜𝐤? Right mouse click on it and left click on remove from dock.