tent
The Spanish phrase 'tienda de campaña' translates to 'tent' in English. This is typically a portable shelter made of cloth, supported by one or more poles and stretched tight by cords or loops attached to pegs driven into the ground. Tents come in various sizes, from small solo structures to larger ones capable of housing a whole group of campers. They are commonly used for camping outdoors but are also employed in various military and humanitarian contexts.
We go to the tent to look for the sleeping bags.
This sentence is using 'tienda de campaña' to refer to a physical tent, typically used for camping, where someone might store their sleeping bags.
I suggest that you store the backpacks in the tent.
In this case, 'tienda de campaña' refers to where the speaker is suggesting the backpacks be stored. This is typically an action one might do when camping to keep items safe and dry.
It is important to learn how to set up the tent before going hiking.
Here, 'tienda de campaña' is referring to a physical tent that one might need to set up while hiking. Knowing how to set up the tent before starting the hike is a useful skill to have.