For example, there are many examples of children's books written about topics like the Holocaust and slavery. Children's literature has no limits in terms of its subject matter, but authors who write about sensitive topics must risk offending parents if their work is seen as too advanced for children.
Medical Definition of mental capacity. 1  1: sufficient understanding and memory to comprehend in a general way the situation in which one finds oneself and the nature, purpose, and consequence of any act or transaction into which one proposes to enter.
Ability is skill to perform a certain task. It is the quality of being able. Capability is skill plus + capacity or power. Examples: I have ability to walk but no capability to walk ten kilometers at a stretch. John has ability to run but he has no capability to run a marathon. Being an electrician Mahesh has ability to do the wiring in his house.