And

"Chair Table" / "Chair and Table"

You will be shown images that depict both chairs AND tables.

Or

"Chair or Table"

You will be shown images that depict either chairs OR tables OR both.

Not

"Chair not Table" / "Chair without Table"

You will be shown images that depict chairs but NOT tables.

Multiple Operators

"Chair or Table and Person not Child"

You will be shown images that depict chairs OR tables AND people that are NOT children.

...*

Table*

You will be shown images that depict things that start with "table…", for example table cloth, table leg.

Keywords: ...

Keywords: chair

To find images that have been tagged with the search term chair.

Caption: ...

Caption: chair

To find images that include the word chair in their caption.

Photographer: ...

Photographer: Loftus

To find images by the photographer Loftus.

Exact text

"apple South Tirol"

To find images that have the text in quote marks in this order in at least one place in the image data. This includes all information associated with this image, such as keywords, captions, name of photographer, location, etc.