Technical writers need knowledge in the following areas:

• English Language: The meaning and use of the English language.
• Computers and Electronics: Computer hardware and software.
• Clerical: General office work such as filling and storing information.
• Communications and Media: How to produce written, spoken or visual media.
• Administration and Management: How to run a business or group.
• Public Safety and Security: How to protect people and property.
• Education and Training: The methods of teaching and learning.
• Production and Processing: How products are made and distributed.