This may be true in a lot of places, but it is not necessarily true on the Internet. You have heard the term SEO? That stands for Search Engine Optimization. While search engines do catalogue and retain pictures effectively now, the primary search is still text. After finding something, you may search pictures too, but not primarily.
So, what does this mean? It means you have to have a Wordsmith who knows the rules of the engines and also knows how to write text that will bring customers to you during these searches. Key words bring the search to your site. What are you selling? Sit down and write out a list of words that define your product. Then write those words into a text description in a readable form.
Be careful not to duplicate too much, because the search engines tag that as “stuffing.” Many years ago, a group of designers came up with a tactic of putting a lot of words at the bottom of the page in the same color as the site background. You could tell the sites who had done this by the huge blank spot at the bottom of the page. You won’t see that much any more. It looks bad and most search engines will penalize a site that does it now.
If you do include pictures or graphics, remember to put a text description in the Alt section of the picture. This not only gives non-graphic users a description, it enhances your SEO.
Don’t understand any of this, hire a Professional to write the content for your site.