Important messages using Morphs

• owner "a morph's owner"
  
• submorphs "a copy of the morph's submorph list"
  
• submorphCount "the number of submorphs"
  
• morphsDo: aBlock "iterate over the direct submorphs"
  
• allMorphsDo: aBlock "iterate over the direct submorphs and the receiver"
  
• delete "remove the morph from its owner"
  
• removeMorph: aMorph "remove the submorph aMorph"
  
• isInWorld "is the morph in a world?"
  
• world "the morph's world (must be in a world)"
  
• copy "copy without submorphs"
  
• fullcopy "copy with the entire tree of submorphs"
  
• submorphNamed: aName "returns submorph with aName"
  
• bounds "returns a rectangle of the receiver's position/size"
  
• boundsInWorld "returns receiver's position/size relative to the world"