Definition of dereferencing in Java

It must have a simple answer, but it seems dereferencing is used in more than one meaning. And I doubt what is correct? Here I listed what I found as definition of dereferencing:

• set a reference explicitly to null (JAVA Object Lifecycle, de-referencing and garbage collection)
• reassignment (OCA: Oracle Certified Associate Java SE 8 Programmer I Study Guide: Exam 1Z0-808)
• accessing a member of object by "." operator (
  1. Oracle Certified Professional Java SE 7 Programmer Exams 1Z0-804 and 1Z0-805

     Since calling a static method does not require dereferencing the reference variable [...]

  2. Referencing and Dereferencing an object in java
  3. https://stackoverflow.com/a/36236082/1043882)

Also I searched in The Java® Language Specification Java SE 11 Edition and find that it says:

For each execution, the behavior of reads is influenced by two additional partial orders, the dereference chain dereferences() and the memory chain mc() [...]

So I think third bullet is true. Is that true?