However, the structure of lymphatic tissues vary according to the particular type of lymphatic tissue or organ they form a part of - (a), (b) or (c) above, and possibly also it's location in the body-especially in the case of (c) Lymph (Fluid).
The exposition is the portion of a story that introduces important background information to the audience; for example, information about the setting, events occurring before the main plot, characters' back stories, etc.
An A-Plot is a cinema and television term referring to the plotline that drives the story. This does not necessarily mean it is the most important, but rather the one that forces most of the action. Plot Summary. A plot summary is a brief description of a piece of literature that explains what happens.