Dating, courtship and relationship

What are the disticnt between dating ,courting and being in a relationship and the similarities between them?
Dating is an act of asking a someone out on a 'DATE', if you want to get to know someone better, or get use to the fellow you simply ask to take him/her out, it might be to a lunch, a party, a cinema, a game venue etc. The someone I refered to might be a opposite sex or the same sex. After the first date, subsequent outing depend on what you want from your partner. Dating occurs between opposite sex for friendship or love, between business partner and any kind of relationship you can think of. Dating sometime lead to courtship between a wan and a woman.
Courtship is the the relationship between two opposite sex, which have falling in love with a agreement of getting married. Simply said as the relationship between a man and woman before their marriage. During courtship, dating occurs frequently the man taking is girl out to various outing or vice verse.
Relationship is the act of friendship. It is what occur between two or more peoples who move together or do thing in common. Relationship occur between lovers, between parent and children, between employer and employee, one there is an agreement, there exist a relationship, even between a master and a servant. Relationship keeps the world going. On the last note: Dating is a form raletionship, Courtship is also a form of relationship.
In subsequent write-ups more light will be shield on the above subject topic.