Sorry, let's close this issue please.
3.) video tutorial
 I found the video tutorials at Getting Started.
 My note-PC missed it.
1.) Excel importer
 Now I am getting understand of the errors.
 I didn't understand the relationship of
 "Entities of page"  and "Entity of table".
 And I didn't find how to do at the video tutorials.
 Anyway I will try it.
2.) Term Server
 Now I was successful to upload to the Term Server with easy entry and page.
 I don't know yet the url where I uploaded to Term Server,
 But I will look for it.
Eiji