📒 an object like a fence that prevents people from moving forward from one place to another
📒 a gate at a car park or railway station that controls when you may go through by being raised or lowered
📒 a problem, rule or situation that prevents somebody from doing something, or that makes something impossible
📒 something that exists between one thing or person and another and keeps them separate
📒 a particular amount, level or number that it is difficult to get past