diff --git a/doc/abstract.md b/doc/design/abstract.md
similarity index 100%
rename from doc/abstract.md
rename to doc/design/abstract.md
diff --git a/doc/goc_diff.drawio b/doc/design/goc_diff.drawio
similarity index 100%
rename from doc/goc_diff.drawio
rename to doc/design/goc_diff.drawio
diff --git a/doc/how_to_parse_args_and_flags_in_goc.md b/doc/design/how_to_parse_args_and_flags_in_goc.md
similarity index 100%
rename from doc/how_to_parse_args_and_flags_in_goc.md
rename to doc/design/how_to_parse_args_and_flags_in_goc.md
diff --git a/doc/log.md b/doc/design/log.md
similarity index 100%
rename from doc/log.md
rename to doc/design/log.md
diff --git a/doc/protocol.drawio b/doc/design/protocol.drawio
similarity index 100%
rename from doc/protocol.drawio
rename to doc/design/protocol.drawio
diff --git a/doc/protocol.md b/doc/design/protocol.md
similarity index 100%
rename from doc/protocol.md
rename to doc/design/protocol.md
diff --git a/doc/return_error_or_fatal.md b/doc/design/return_error_or_fatal.md
similarity index 100%
rename from doc/return_error_or_fatal.md
rename to doc/design/return_error_or_fatal.md
diff --git a/doc/things_about_e2e_test.md b/doc/design/things_about_e2e_test.md
similarity index 100%
rename from doc/things_about_e2e_test.md
rename to doc/design/things_about_e2e_test.md