What do expository texts, literary texts, and practical texts refer to?

Discursive texts: argumentative essays, argumentative essays, essays, expository texts and other texts.

Literary texts: novels, poems, essays, reportage and other texts. Practical texts refer to: official documents: requests for instructions, reports, approvals, notices, meeting minutes, resolutions, notices, etc. Personal practical categories: application forms, leave notes, IOUs (notes), message notes, contracts and other texts.