Overlock Coverstitch

Overlock Coverstitch What is the difference between a serger, coverstitch machine and an overlock machine? http://www.bernina.co.uk/009DCC.html The link above is a link to the coverstitch machine I’m referring to. Are they all the same? Or do they each do separate things in sewing? Serger and overlocker are essentially synonymous in home sewing… they’re the machines [...]