A review process in which designer leads one or more through
segment of design or code he or she has written.

walkthrough is a informal meeting for verifying the code 
design documents

It is Informal analysis of source code to find defects and 
to verify coding tecniques

Walk through is one of the Verification technique where in 
Documents are reviewed in a informal way.It can be 
conducted my many persons at a time.

walkthrough is carried by moderator with team and with 
instructions which is given to team members n they follow 
the same and do the same

Business Analysts complete the requirement document, they 
call a meeting to explain how the functionalities work, 
what the process is in the designed application and other 
details.  The participant members in the meeting may 
provide feed back and various point of views are 
expressed.  This is walkthrough meeting.

walkthroughs are informal meetings carried out for 
verifying a particular work product. it has the key 
characteristics

* An informal meeting carried out to verify the work 
product.
* The mainpurposes are learning & understanding the 
product, defect finding.
* The meeting led by author who presents the documents.
* The pre-meeting preparation of reviewers is not necessary.