What exactly are omens?
Omens represent many different things, they can fortell the future of upcoming events or events that are currently happening in your life. They can alose be used to as signs when you cast a spell or after performing a ritual. Omens will send you signs that your spell is working after a few hours or just a few days after casting. But sometimes even if you don't see any signs after you have casted your spell, that dosen't mean that it is not working.
How to tell if you see an omen? Watch out for various signs on omens. Omens can be anything and anywhere. Say for example if your watching a tv show, commercial. listening to the radio. You see or hear things that you know is not known from earth and is from the universe. Then you know that something is going to happen.
Many different cultures or people believe that omens are concidered to be bad, and show a sign of death will occur. Other omens that are bad may be for an example if a black cat walked infront of you it is a symbol of bad luck. But they are just omens, omens don't have to be good or bad.