Instructional

Instructional Writing
What is instructional writing??

http://www.bbc.co.uk/skillswise/words/grammar/texttypes/instructions/worksheet.shtml

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Written examples:

1. Treasure maps 2. Recipes 3. Games 4. Experiments 5. Manuals 6. Rules 7. Science experiments

What is the meaning of imperative??

Imperative means that it is absolutely necessary to have. The instruction is required for it to work. E.g., 'It is imperative that we leave.' This means that we have to leave.