# Icons Assist

One can get quick help on icons meaning within the tool by pressing ALT + I.

Icon | Description
--- | ---
| Array object
| Instances grouped by class
| Instances grouped by class where some of the instances have already been shown
| Instances grouped by class where all of the instances have already been shown
| Package
| Super class
| Class object
| Class loader object
| Heap dump
| Object address
| Other object; not a class, classloader or array object
| Indicators added to heap objects
| This heap object references the one above
| This heap object references the one below
| This heap object is a Garbage Collection Root
| Toolbar and context menus
| Dominator tree
| Query browser
| Retained set / Customized retained set
| Run a report
| Compare, compare basket
| Show as histogram
| Calculate retained size
| Immediate Dominators
| Histogram
| Thread related query
| Paths to GC Roots
| Export drop-down menu
| Search object by its address
| Filter
| Object Query Language Editor
| Shallow / heap sizes (in Object Inspector)
| Grouping drop-down menu
| Pin current Object Inspector view (keep the content constant)
| Pin current Object Inspector tab (keep the tab constant when switching heap dumps)
| Out of Memory stack trace (not always available)
| Totals row. Decorated with + means that not all the children are shown and the list can be expanded
| Open expert system report
| Overview pane
| Open the heap dump
| Open the heap dump from a file
| Finalizers overview
| Export to .csv
| Export to .html
| Views
| Notes View - write and edit you notes in this view. All the notes are stored together with the heap dump.
| History View - list of recently opened heap dumps
| Heap Dump Details
| Object Inspector - detailed information for the selected object
| Error Log - report the errors to our Bugzilla