My students were having a hard time remembering the difference between a row and a column.
First we sat in our seats and rowed our boats across the lake. I pointed out that the word "row" stays short and doesn't stand up at all.
Then we looked at a picture of the White House and pointed out the columns. We stood up and stretched toward the ceiling as if we could hold up the roof. I draw an exaggerated lower case L to show this.
Then the fun began! I called out "row" and the students had to hold their arms out at their sides. Then I called out "column" and they had to stretch their arms above their heads. It became a variation of Simon Says as I called the words faster and faster. Since then, we've been much better remembering the difference between the two!