What do you call this plus sign and where is it coming from? How can I remove it from Adobe Illustrator?

[WanderElla]

What do you call this plus sign and where is it coming from? How can I remove it from Adobe Illustrator?

Minor Problem. Which I don't understand. Please help me understand.
So at the center of one of my Artboards, there is this plus sign even if I'm not selecting anything, this is still showing. How can I remove it? Thank you in advance.

[Mylenium]

Check your artboard tool and the various overlay settings.

Mylenium

[Doug A Roberts · Accepted solution]

More specifically, the centre mark in artboard settings..

[Ton Frederiks · Accepted solution]

Artboard Options > Show Center Mark

[WanderElla]

Thank  you 🙂

[dpcstudio]

Very helpful. Thank you!