Changed unordered list to definition list
Changed paragraph to heading
Fixed heading capitalization to follow the standards
Changed to definition lists
Changed to definition lists from Book section
minor #4539 Normalization of method listings (pedronofuentes)

This PR was merged into the 2.3 branch.

Discussion
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Normalization of method listings

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | no
| Applies to    | all
| Fixed tickets | fixes #3903

Commits
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3fd3963 Changed to definition lists from Book section
dda1905 Changed to definition lists
3649bdb Fixed heading capitalization to follow the standards
6b68e48 Changed paragraph to heading
1d571ca Changed unordered list to definition list