This guideline was wrotten several years ago, just paste it here to record it.  

Bug summary:
  the methods to write a summary are following :
  1) xxxx can not xxxx
  2) xxxx does not work properly
  3) xxxx is grayed out
  4) something done when...(under some condition)
  5) Not / No
  6) Somthing does not xxx on xxx place
  7) xxxx in xxx place is truncated
  8) Popup form from xxx in xxx is not modal. It can be covered by any form before dismiss
  9) The xxx will be hidden in the back of xxx if focus on BL and mouse hover to Address book icon
  10) While xxx form is opened, something something
  11) xxx can be done if only has xxx
  12) xxx cannot display xxx properly
  13) Could not do xxxxxx
  14) xxx has happen after xxx be done

Step
  the step should be clear,the sentence in common use are:
  1) Set the monitor under 120DPI resolution
  Sign on xx client
  Verify the opened form
  KW:settings-->'A-Z' table-->'N-S'-->select 'Spelling' item,Open 'spelling and grammar settings' form and click deep link 'Edit My Personal Dictionary'
  The background of the form is garbled.please see spelling-form.jpg

  Click the "Write" icon on the toolbar
  After the Write Mail form is opened, plz enter some text into the text area then click the "Spell Check" button

  3.KW:settings-->'A-Z' table-->'N-S'-->select 'Spelling' item
  4.Open 'spelling and grammar settings' form and click deep link 'Edit My Personal Dictionary'

  Close the Buddy list then repeat step 4-6 can not repro this issue.

  Missing art near by Quick Start button before register Top SN under 800x600 resolution

  Sign onto xx client with resolution 800x600

   Ctrl+x to open xxx form. Make sure your xxxx is xxx

  Press 'xxx' key and try to .

  Launch xx client with General/Master/MT.
  Sign on xx client
  sign on with xxxx account
  Sign on current xx client

  KW: xx to open xxxx form.

  Click ?￥Favorite place?| icon on the IM form and insert any favorite place
  Please check/verify the result