Structures can be either man-made or natural. Man-made structures are made by people hence the term man-made. Examples include a bicycle, chair, crane. Natural structures are found in the environment.

To collaboratively model how to structure an essay based on the logical progression of evidence necessary for evolving and proving its initial thesis Students have completed the following assignment: ...

Review the structure of an introduction (for instance "inverted funnel," i.e., general to specific topics). An introduction should teach readers enough about the subject to read the paper, and should ...