This is the 435th most frequent Swedish word.
lätt
"Easy" or "light."
In this sentence, 'lätt' means easy or simple, describing a task's level of difficulty.
Det är lätt att cykla på en rak väg.
It is easy to ride a bike on a straight road.
Here, 'lätt' refers to the weight of the bag, meaning light.
Den lätta väskan är enkel att bära.
The light bag is easy to carry.
In this context, 'lätt' describes a figurative state, meaning without worry or care.