Please introduce the
1. Floatee element
2. The floating element

Floatee element will float/wrap around the floating element.

If there is enough space, the floatee element will wrap/encapsulate the the floating element.
If there is not enough space, the floatee element will not wrap the floating element, but go to new line.

Floating is used to build
1. Picture wrapping style
2. 3 rows page