كتاب

The state of being away from a place or person, or the non-existence/lack of something. It is commonly used in administrative contexts like school or work attendance.

To read

To impart knowledge or to instruct someone; to teach.

Teacher (masculine)

Relating to a school, scholastic.

He reviews lessons or studies for an exam.

I read

A detailed investigation or analysis of a subject or situation. It involves systematic learning or examination to discover facts or reach new conclusions.

An official document attesting to a fact, especially a person's educational status or a legal testimony.

He understands.