Menus are used often on websites
./ to go to the current directory
../ to go up a directory
/ is used to access something in a directory
Ex: ../documents will go up a directory and access the documents directory
DOM = Document Object Model
JavaScript can generate new HTML and use event handlers
DOM = HTML structure but in JSON format
Methods are functions attached to objects
Sub objects are objects inside another object
Properties are for various parameters such as styling
PNGs and JPGs are Raster images
SVGs use vectors
SVGs are apparently codable and can interact with CSS which seems very interesting