Legitimacy of using own's Concepts

Hi,
I have a text that needs rewriting because of poor style and weak cohesion among the paragraphs!
• The Theme: Using Concepts in writing
• Number of words: 654
• Time of carrying out the rewriting: About a week

Requirement-
• An abstract
• An opening and/or an introductory paragraph
• Paragraphs ought to be bridged together in a coherent way
• A conclusion is needed

-Notes-
• Welcome all sorts of comments, critics, suggestions, or changes.
•
Kind regards