Jen describes the overall big picture of CSS Grid and what all these terms mean. How it's different than floatbased frameworks and how we are going to apply Grid to specific containers on the page — while still using other layout methods on other containers of content.

Links:
• The official Grid level 1 specification: https://www.w3.org/TR/cssgrid1
• Draft of the Grid level 2 specification: https://drafts.csswg.org/cssgrid2
• For more on Implicit vs Explicit, watch the beginning of this video:    • Incredibly Easy Layouts with CSS Grid