Store list of strings

Hi, I run into rather simple issue. We would like to store simple list of strings that could be Categories in our system Schema.
I intended to use ArrayField but if I try to model and pass list of strings I’m getting error that the array of objects is expected.
I know that we could solve that by adding class

Categories() {
public string Category …

but this is added complexity on our side to remap this to list of strings, not much, but I wanted to check which field type is designed for list of simple values, numbers, strings etc. Or we need to utilize Array field type and use custom objects?

You could just use a tags field.