The settings for tooltips and columns are defined in the search GetAssets, located under System tools → ConfigManager → Digizuite™ DAM Center → <<Version number>> → Searches tab. The section is marked with the comments Display fields Start and Display fields End. Fields can be removed and added freely in this section, although you should at minimum have one tooltip and one column field (can be the same field).
The following screen shows the settings required in the search for the tooltip and columns to look like the above screenshots. All the configuration is done in the Output section:
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