Question: how many types of knots are there?
Answer: Half Hitch. A half hitch is an unsecure knot which is used in conjunction with other types of knots to create secure knots. ... 
Figure-Eight Knot. ... 
Bowline. ... 
Reef Knot. ... 
Rolling Hitch. ... 
Clove Hitch. ... 
Sheet Bend. ... 
Double Sheet Bend.