There is no such thing as pictures. It’s just photons that bounce off or are emitted by certain surfaces that fall on our eyes and are then transmitted as electric impulses to our brains which trigger synapses....it’s all just stuff firing in our brains.
It’s pretty obvious what the author of the article means by picture and texts. I don’t think there’s anyone who is not trying to be deliberately obtuse who would have a hard time figuring out what they mean by pictures and text here.