Spanish Phrase
Se trata de mover unas cajas.
Meaning
This phrase uses the impersonal expression 'se trata de' to define the essence or the main task of a situation. It translates to 'it is a matter of' or 'it involves'. In this specific case, it identifies that the work at hand is the physical act of moving boxes.
When to use
Use this phrase when you are explaining the objective of a task or answering a question like 'What is this job about?'. It is very common in workplace environments or when organizing group chores.
✦Grammar Breakdown
Se tratademoverunascajas
Se trata de
A fixed impersonal construction. It does not have a person as a subject (like 'I' or 'You'); it simply describes the situation.
Mover vs. Mudarse
Use 'mover' for objects. If you were moving to a new house, you would use the reflexive verb 'mudarse'.
Unas
The feminine plural indefinite article. It agrees with 'cajas' in both gender and number.
🗨In Conversation
¿En qué consiste el trabajo de esta tarde?
What does this afternoon's work consist of?
Se trata de mover unas cajas al segundo piso.
It's about moving some boxes to the second floor.
✕Common Mistakes
Es sobre mover unas cajas.
While 'sobre' means 'about', in the context of 'the task is about', Spanish requires the fixed phrase 'se trata de'.
Se trata para mover unas cajas.
The expression 'se trata' is always followed by the preposition 'de' when describing the subject matter.
↔Alternatives
Consiste en mover unas cajas.
It consists of moving some boxes.
La tarea es mover unas cajas.
The task is to move some boxes.
Hay que mover unas cajas.
Some boxes need to be moved.
Cultural Tip
Using 'se trata de' is a polite and slightly indirect way to assign a task. Instead of telling someone directly 'Move these boxes', describing the task impersonally makes the request feel more like a shared objective rather than a command.

