if you tie two things together or tie them, you fasten them together with a knot.
if you tie something or someone in a particular place or position, you put them there and fasten them using rope or string.
if you tie a piece of string or cloth around something or tie something with a piece of string or cloth, you put the piece of string or cloth around it and fasten the ends together.
if you tie a knot or bow in something or tie something in a knot or bow, you fasten the ends together.
when you tie something or when something ties, you close or fasten it using a bow or 