Update descriptions

.github/workflows/README.md

@@ -4,27 +4,48 @@ Workflows can be triggered from PR, creation or merge, and on a scheduled timer.
 There are a few that only get triggered manually.
 
 ## Scheduled Workflows
-- daily-schedule.yml
-- h5py.yml
-- markdown-link-check.yml
-- scorecard.yml
-- vfd.yml
-- vol.yml
+- daily-schedule.yml executes the daily-build.yml which first checks that there are changes
+    * tarball.yml to create a source.zip and source.tar.gz
+    * cygwin-cmake.yml to test on cygwin
+    * cmake-script.yml to test and report to my.cdash
+    * cmake-par-script.yml to test with released MPI and report to my.cdash
+    * cmake-par-source.yml to test with MPI default branch and report to my.cdash
+    * cmake-analysis.yml to test with LEAK and ADDRESS sanitizers and report to my.cdash
+    * cmake-ctest.yml to create signed binaries with commit hash in the name
+    * abi-report.yml to compare ABI to last released binaries
+    * release-files.yml uploads new binaries to snapshots
+    * remove-files.yml remove previous binaries
+- h5py.yml executes python tests for h5py
+- markdown-link-check.yml checks the links in markdown files
+- scorecard.yml executes code-scanning and uploads to Github dashboard
+- vfd.yml executes vfd-main.yml with combos of Release and Debug
+    * vfd-subfiling.yml configures, builds, and tests MPI with subfiling feature
+- vol.yml calls the following workflows
+    * vol_rest.yml tests the REST VOL connector
+    * vol_ext_passthru.yml tests the external passthrough VOL connector
+    * vol_async.yml tests the asynchronous I/O VOL connector
+    * vol_cache.yml tests the cache VOL connector"
+    * vol_adios2.yml tests the ADIOS2 VOL connector
+    * vol_log.yml tests the Log-based VOL connector
 
 ## Manual Only Workflows
-- publish-branch.yml
-- publish-release.yml
-- release.yml
+- publish-branch.yml publishes a local folder to the support.hdfgroup bucket
+- publish-release.yml publishes release binaries to the support.hdfgroup bucket
+- release.yml creates binaries for an official release or snapshot
+    * tarball.yml to create a source.zip and source.tar.gz
+    * cmake-ctest.yml to create signed binaries
+    * abi-report.yml to compare ABI to last released binaries
+    * release-files.yml uploads new binaries to releases page
 
 ## Triggered Workflows
 - autotools.yml
-- clang-format-check.yml
+- clang-format-check.yml runs clang-foramt and reports issues
 - cmake.yml
-- codespell.yml
-- cve.yml
-- hdfeos5.yml
-- linkchecker.yml
-- netcdf.yml
+- codespell.yml checks spelling
+- cve.yml executes test_hdf5_cve.sh script
+- hdfeos5.yml configures and builds HDF5 then tests HDF-EOS5
+- linkchecker.yml verifies the links in generated doxygen files
+- netcdf.yml configures and builds HDF5 then tests netcdf
 
 ## Workflows called by autotools.yml
 - main-auto-spc.yml