There have unfortunately been some mixup among related concepts in the past versions of EDAM, which have to be untanged. This means especially the curation of influenced records in TeSS, Bio.tools, ...

http://edamontology.org/topic_3071
Now Biological databases, before Data management, before ...(?) (THIS IS A BUG IN EDAM that the concept has been changing it meaning!)

http://edamontology.org/topic_3489
Database management, with all sorts of synonyms.

Not all synonyms appropriate or even unique: Missing feature in EDAM validation!