A learner's progressing questions
The more you study eagerly, the more questions arise. A lot of learners have questions which have similarities. That said, let's take a look at the questions of Tanuki-san, as an eager learner. A trajectory of his study emerges.
Some of the questions have already been asked on TJP threads before Tanuki-san contributed, some of them may be questions which other learners might ask on the forum in the future.