The list should include a short title for each figure but not the whole caption. The list should include a short title for each table but not the whole caption.
You can't write a good introduction until you know what the body of the paper says.
In most circumstances, this is best accomplished by physically separating statements about new observations from statements about the meaning or significance of those observations.
Alternatively, this goal can be accomplished by careful use of phrases such as "I infer ..." vast bodies of geological literature became obsolete with the advent of plate tectonics; the papers that survived are those in which observations were presented in stand-alone fashion, unmuddied by whatever ideas the author might have had about the processes that caused the observed phenomena.
Is there material that does not contribute to one of the elements listed above?
If so, this may be material that you will want to consider deleting or moving.
The first time you read something, you will consciously remember some things, but may subconsciously take in other aspects.
It is important to cross check your conscious memory against your citations. Kennedy, 1985, On Academic Authorship Sigma Xi, 1984, Honor in Science Yale University pamphlet on plagiarism Write for brevity rather than length.
The goal is the shortest possible paper that contains all information necessary to describe the work and support the interpretation.
Avoid unnecessary repetition and irrelevant tangents. Necessary repetition: the main theme should be developed in the introduction as a motivation or working hypothesis.