A photo without explanation says little. In fifty years nobody will know who is in it. The title and the description make your photo valuable. They also make sure the photo can be found with the search function.
Short and clear. For example: Wedding photo Jan de Vries and Anna Bakker, 1952.
Write down what you know:
For a document you can type out the text. Then the content is searchable.
Feel free to write: Who is the lady on the left? I think a sister of grandpa. Participants get a notification and can respond. That way you get further together.
Is your archive linked to your publication on Genealogy Online? Then you can type a name in the description and link it to the person in your family tree.
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