When it says "Work 6cm in stocking stitch on 4 sts to make a front strap" what does this mean?

When it says “Work 6cm in stocking stitch on 4 sts to make a front strap” what does this mean?

Which pattern are you following?
Stocking stitch is the same as stockinette stitch, knit one row, purl one row.
There’s a handy Glossary on KH that may help with definitions and videos.
https://www.knittinghelp.com/videos/knitting-glossary

Thank you for sending me the glossary, that has helped me get through the next few rows!