* A downward curve: This starts at the top and curves down, similar to the lowercase letter "l" or the top half of a cursive "c".
* A diagonal line: This starts at the bottom of the curve and goes upwards and to the right, ending in a sharp point.
The diagonal line can be straight or slightly curved, depending on the handwriting style.
Here's a simple illustration:
```
/ \
/ \
/ \
------
```
Remember that cursive handwriting can vary greatly from person to person, so the exact appearance of a cursive K might differ slightly.