stand
The German word 'stehen' is a verb that is used to express the concept of standing. It is a regular verb in German and is conjugated accordingly. For example, 'Ich stehe' means 'I stand' and 'Er steht' means 'He stands'. The word can also be used in the context of objects, such as 'The table stands in the corner' which would be 'Der Tisch steht in der Ecke'.
They are standing in line.
In this sentence, 'stehen' is used to describe people who are standing upright in a queue. 'In der Schlange' means 'in line' and 'Sie' means 'They'.
The books are on the shelf.
In this context, 'stehen' is used to show the location of an object. 'Die Bücher' means 'The books', 'im Regal' means 'on the shelf'.
I get up early.
In this example, 'stehen' is a part of the separable verb 'aufstehen', which means 'to get up'. 'Früh' means 'early' and 'Ich' means 'I'.