Difference between a relationship and dating
This is mildly different from hooking up, but falls in the same category.
Perhaps meeting each others friends and knowing details about how work, school and other facets of the other person's life. They can drop you any time the relationship starts to be too inconvenient and vice versa. If someone says they want to be exclusive but not be in a relationship, they're being stubborn and have a fear of titles.
Social relationship, interpersonal relationship, intimate relationship and ethical relationship are kind of relationship. For example your relationship with your family members or extended family members is a legal, natural or inherited relation.
You cannot deny this and they are your family members not by your choice.
Basically friendship is a type of relationship in which two are more persons got friendly with each other, cares for each others, freely share any good news or bad news with each other. The person who comes in mind first in case of good or bad matters is in fact your best friend. Many qualities are required for a good friendship like honesty, trustworthiness, loyalty, compromise, unconditional favor and acceptance.
A real friendship is one in which both of the parties try to makes a happy relationship.