The purpose of a text features is to make your text more receptive, more enjoyable, and / or more believable.
The textual features are the elements of a text that promote the articulation between words and phrases creating an intelligible, that is, comprehensible text.
Text features include all components of a story or article that are not the main body of text. These include the table of contents, index, glossary, headings, bold words, etc. These features can be helpful if they are concise, related to the content, and clear, or they can be bad if badly organized. <span />