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.
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. What am I?
I can't go left, I can't go right. I am forever stuck in a building over three stories high. What am I?
The more you take, the more you leave behind. What are they?
I have six faces but not even one body connected, 21 eyes in total but cannot see. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk