You are looking at the shaft. A large red block, four units by one unit, is above your head, dropping slowly. It has its long edge horizontally aligned.

>turn the block

I don't know how to ``turn'' something.

The block descends lower.

>rotate block

The block rotates in mid air, now with the long edge vertically aligned.

The block descends lower.

>move block left

The block shifts to the left.

The block descends lower.

>drop block

You aren't holding the block.

The block descends lower.

>move block down

The block drops into the narrow gap, filling the four columns. The columns flash twice, then vanish, dropping the blocks above them down. A musical tone is heard.

[Your score increased by 20!]

A square grey block, two units by two units, is now overhead, slowly dropping.