HTML

• The head element contains information about webpage
• The body element represents the visible content shown to the user

CSS

• A margin indicates how much space we want around the outside of an element.
• A padding indicates how much space we want around the conntent inside an element.

Git

• git status: checks what branch we are currently on
• git checkout -b branch name: creates a new branch and switches to it

javascript

• An array is a variable that holds a group of data
• type coercion so when one data type is turned into another implicitly