This is the 3503rd most frequent Spanish word.
forman
"Forman" means "they form" or "they make up."
The word 'forman' here means 'to form' or 'to create' in the context of establishing something as a team.
Ellos forman un equipo para trabajar en el proyecto.
They form a team to work on the project.
In this sentence, 'forman' implies 'to create' or 'to constitute' and describes how the trees collectively create a scene or view.
Los árboles forman un hermoso paisaje en otoño.
The trees form a beautiful landscape in autumn.
Here, 'forman' conveys the action of positioning into a specific arrangement or structure, in this case, a line.