ligero ADJECTIVE light, lightweight; slight
Ligero covers several of the same meanings as English light. It refers to things that don’t weigh very much:
fibra de carbono y otros materiales ligeros carbon fibre and other lightweight materials
una blusa ligerita a light(weight) blouse
It describes things which are light in weight in a non-literal sense:
la industria ligera light industry
la artillería ligera light artillery
It denotes artistic things which are light, that is, not profound or serious:
una comedia ligera a light comedy
música ligera light music
And it describes meals which are simple and healthy:
No tengo mucha hambre. Me apetece algo ligero. I’m not very hungry. I fancy something light.
Another of its frequent meanings describes things which are small in degree, or slight, such as increases, decreases, improvements, and the like:
una ligera subida de precios a slight price rise
Se ha producido una ligera recuperación de las ventas. There’s been a slight recovery in sales.
It also refers to breezes, noises, smells and pains which are slight:
Soplaba una brisa ligera. A slight breeze was blowing.
El más ligero ruido la despierta. She wakes at the slightest noise.
un ligero olor a lavanda a slight scent of lavender
un ligero dolor de cabeza a slight headache