“A learning disability is a reduced intellectual ability and difficulty with everyday activities”

Mencap definition.

People with a learning disability might need additional support with activities such as everyday tasks like cooking, managing money, written communication, participating in activities or in managing social situations and relationships. The level of support a person might need will vary greatly dependent on the type of disability they have. A person can have a mild disability, moderate disability or severe disability.
Mild disability 

Is when a person can usually communicate their needs and look after themselves easily but they might take time to learn new skills.

Moderate and severe disabilities

A moderate or severe learning disability is when a person has difficulty communicating, they may have physical impairments and difficulties processing sensory information as well as complex health needs. Someone with complex health needs might need assistance with personal hygiene, eating and moving around. If a person has more than one disability, the person might be considered to have profound and multiple learning disabilities (PMLD).

For more information visit www.mencap.org