This is the 910th most frequent Spanish word.
viajar
To travel.
In this sentence, 'viajar' is used as an infinitive verb to express the action of traveling in general.
Me gusta viajar a diferentes países durante las vacaciones.
I like to travel to different countries during vacations.
Here, 'viajaron' is the third person plural preterite conjugation of 'viajar,' indicating a specific completed action of traveling in the past.
Ellos viajaron a París el mes pasado.
They traveled to Paris last month.
In this example, 'viajo' is the first person singular present tense form of 'viajar,' representing a habitual action.