Query - what different between (todo) and (task: TODO)

Questions & Help
1

I am trying to learn Query by creating Project Alpha and some tasks. Then I typed /q, select query, then TASK then TODO. After that I clicked the + sign, select Page reference and then Project Alpha. It ended up with this {{query (and (task TODO) [[Project Alpha]])}}

The query gives only one result, which is unexpected.

task TODO
task TODO1392×404 27.4 KB

I then get help from Gemini, and found this {{query (and (todo) [[Project Alpha]])}}which I could not build by clicking the + sign to get the first todo.

However, this gives much better results, which is 7.

todo
todo1370×716 61.9 KB

I am using Logseq app on MacBook M3, Tahoe 26.1

Could someone explain the difference between the two queries and advise how to get `{{query (and (todo)) …}} without having to remember the syntax and manually type it?

2

Apparently (todo) does nothing, so you simply get all blocks referencing page Project Alpha, no matter if they are TODO or not.

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