This is the 868th most frequent Russian word.
шаг
Step.
Here, 'шаг' (step) is used to represent a literal physical movement.
Он сделал шаг вперед.
He took a step forward.
'Шаг' is used metaphorically to symbolize a progression or advancement in context.
Каждое наше решение — это шаг к будущему.
Each of our decisions is a step towards the future.
Here, the plural form 'шаги' (steps) refers to the sounds made by walking.