doc: rewrite free-term.md

[ice1000]

Make @illusory0x0 happier. Addresses #1366

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.64%. Comparing base (4ad204c) to head (b329d66).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1444   +/-   ##
=========================================
  Coverage     82.64%   82.64%           
  Complexity     4538     4538           
=========================================
  Files           394      394           
  Lines         13480    13480           
  Branches       1653     1653           
=========================================
  Hits          11141    11141           
  Misses         1476     1476           
  Partials        863      863           

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[illusory0x0]

@ice1000 > Make @illusory0x0 happier. Addresses #1366

Your are wrong, This Pull Request's intension is not make @illusory0x0 happier, just classify the internal terminology in aya-dev for avoiding mislead new contributor.

[ice1000]

@ice1000 > Make @illusory0x0 happier. Addresses #1366

Your are wrong, This Pull Request's intension is not make @illusory0x0 happier, just classify the internal terminology in aya-dev for avoiding mislead new contributor.

All I want is that you are happy