* Noun: "The front of the house was painted red." (Refers to the forward part of something)
* Adjective: "She sat in the front row." (Describes position)
* Verb: "The soldiers fronted the enemy." (Means to face or confront)
* Adverb: "The car pulled up front of the building." (Describes the direction of movement)
To determine the part of speech, you need to look at how the word is used in the sentence.