How do you think the ancient Egyptians chose these symbols?

The Ankh, Djed, Was Scepter, Scarab and Tjet are the ancient symbols used by the Egyptians.

Explanation:

The ancient Egyptians chose these symbols in writing for representing a specific aspect. The Ankh is an egyptian symbol which represent the word life. The Djed is also an egyptian symbol which represent stability. The Was Scepter is an ancient symbol which represent the power. The Scarab is an egyptian symbol which represent the word immortality and Tjet is an egyptian symbol which indicates the word eternal life.