Generalized Anxiety Disorder "AKA" GAD is a high level anxiety that people experience day to day.
Thoughts of getting through a day can cause anxiety.
People with GAD worry excessively about family, health, work, or money.
Gad sufferers have a difficult time relaxing and falling asleep.
People with GAD usually don't avoid social situations, but can have a day experiencing intense physical symptoms.
Gad is usually accompanied with depression or substance abuse.

Obsessive Compulsive Disorder AKA "OCD"- People suffering from OCD use ritualistic and repeated behaviors to rid themselves of obsessive thoughts and anxieties.
People with OCD have thoughts that they may feel they cannot control.
People With OCD may be obsessed with germs, or dirt, so they may wash their hands over and over.
They also sometimes have thoughts of violence, and fear that they will hurt people close to them
Some people obsess over a door being locked, or the stove being turned off.
When these people don't do the rituals that they are drawn to, then their anxieties get worse until the rituals are performed.