guitar
The German word for guitar is 'Gitarre'. It is a string instrument that is played by plucking the strings. In German, 'Gitarre' is a feminine noun. It is used in the same context as in English, such as in music, bands, and concerts.
I like to play guitar.
This sentence is an example of expressing personal preference in German. 'Ich' means 'I', 'spiele' is the present tense of the verb 'spielen', which means 'to play', 'gerne' means 'gladly' or 'with pleasure', and 'Gitarre' is 'guitar'. When 'gerne' follows a verb, it shows that someone likes doing that activity.
The guitar belongs to my brother.
This is an example sentence of expressing possession in German. 'Die' is definte article for 'Gitarre'(guitar), which is feminine in German, 'gehört' is third person singular present tense of the verb 'gehören', which means 'to belong', 'meinem Bruder' means 'to my brother'.
The guitar is a musical instrument.
This example shows how to define or explain something in German. 'Die' is the definite article for 'Gitarre'(guitar), which is feminine in German, 'ist' is the third person singular of the verb 'sein' which means 'is/to be', 'ein' is an indefinite article meaning 'a', and 'Musikinstrument' means 'musical instrument'.