Here, dormant means an animal or seed stops growing or moving for a while but is still alive. They will start again later when conditions change.
The seeds remain dormant until it rains.
Many animals stay dormant in cold winter.
This meaning is about illness or viruses that are in the body but do not cause problems yet. They can become active later and cause sickness.
The virus was dormant in his body.
Some diseases can stay dormant for years.
This usage is for businesses, companies, or accounts not working or used right now. They can start or be active again in the future.
The company has been dormant for three years.
His bank account is dormant due to no activity.
This meaning is used in a figurative way. It means a skill or ability is not being used now but is still there inside a person.
She has a dormant talent for music.
His creativity was dormant for many years.