Writing a resume is more than just listing a set of credentials or special talents in reverse chronological order. It is very much like planning to write a persuasive essay. These documents begin with a rhetorical context. Every resume has a target audience (the employer(s) who will use it to evaluate you as a job candidate) and a purpose (to convince an employer that you are worth interviewing for a specific job).
Before trying to organize this information into a logical format, it is useful to consider the purpose for writing the document in the first place. Depending on your purpose, the content and organization of the document may change. After determining the purpose, the second consideration is its audience. This too can effect the content and organization of the document.