Flex Architecture:
Reference: image taken from FreeCodeCamp

Justify-Content:

Flex direction demo:

Align-content:
Specifies how flex items are distributed along the cross axis of the flex container. Similar to Justify-content.

Align-items:

Flex-wrap:

Flex-flow:

Place-content:

Align-self:

Flex-grow:

Flex-shrink:

Flex-basis:

Flex

FLEX SHORTHAND PROPERTIES
Flex: flex-grow flex-shrink flex-basis
eg: flex: 4 2 50em;
Flex-flow: flex-direction flex-wrap
Flex-flow : row wrap;
Place-content: align-content justify-content
eg: place-content: center flex-end;