Answer:
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
David's father has three sons: Snap Crackle and ?
I hold two people together but touch only one.
I am an odd number. Take away one letter and I become even. What number am I?
What has 88 keys, but canβt open a single door?
What did the piece of wood say when he saw the screwdriver and screws approaching?