Red Garden Concepts

Doing deals for large amounts of cash. Usually hunts people wanted by the law.

Used frequently in Anime to either recap past events or provide a back story for a character, either their origin story or their off-screen training of new attack. Sometime and entire episode/chapter would be a entire flashback.

Generally refers to a large, usually humanoid weapon-type robot, usually piloted from within.

Reincarnation is a common theme in most Asian literature, and frequently a character will appear who turns out to be the reincarnation of a past figure (fictional or otherwise).