Tie up is a verb with more than a dozen meanings recognized by the Royal Spanish Academy (RAE) in your dictionary. The term comes from the French word tie up, in turn derived from the Dutch anmarren (which translates as “tie”).
The action of tying consists of secure, support or fix something using ropes, cords or similar elements. The concept is often used to refer to hold a boat on a dock, a port or any anchorage using cables or chains and anchors.
For example: “The government authorized the cruise ship to moor in the capital for three weeks”, “The ship sailed for several days before mooring in the Chilean port”, “We are going to moor at the dock of that island until the storm passes”.
Tying shoelaces or shoelaces, on the other hand, it involves tying them to prevent shoes or slippers from slipping off the foot. The act of tying can be developed in different ways, even for aesthetic reasons since it is possible to make different knots.
Another use of mooring refers to to symbolically chain, bind, or immobilize someone. In order to tie up a player, A team of football can offer you a millionaire contract with a very high release clause. In this way, it is unlikely that another team will be in a position to pay to take the footballer.
Suppose a candidate for president of a country aims to get the vote of senior citizens. In order to tie up your support, in his speeches he talks about the value of the advice given by grandparents and ensures that, if he is elected, his first measure will be to increase pensions.