Attaching pre-cut letters, numbers onto a background.

Making a "ROSHIM" (mark) on paper, on a page in a sefer.

What to do when there is writing on the edge of pages.

Writing in conjunction with various children's games.

Writing letters, numbers, images using chocolates, nuts, sugar, salt, licorice, etc.

Some more important examples of temporary writing, which come up on a weekly shabbos.

Writing letters, pictures, symbols, etc. without any permanence.

Some interesting examples on how the writing and the erasing are almost one.

Writing with something permanent on a material that is permanent.

Understanding the constructive and destructive part of it (mochaik).