1. Master-Detail Relation (Triggers/Procedures/Properties)

(i) Isolated: - Masters Can be deleted when Child is existing

(iii) Cascading: - Child Record Automatically Deleted when Masters is deleted.

2.Various Block Co-ordination Properties

The various Block Coordination Properties are
a) Immediate
    Default Setting. The Detail records are shown when the Master Record are shown.
b) Deffered with Auto Query
    Oracle Forms defer fetching the detail records until the operator navigates to the detail block.
c) Deferred with No Auto Query
    The operator must navigate to the detail block and explicitly execute a query

3. Types of Canvases (Stacked/Content Difference)

(i) Content Canvas (Default Canvas) [A content canvas is the required on each window you create]
(ii) Stack Canvas  [you can display more then one stack canvas in a window at the same time] 
(iii) Tab Type Window [In Tab canvas that have tab pages and have one or more then tab page] 
(iv) Toolbar Canvas [A toolbar canvas often is used to create Toolbar Windows. There are two type of Toolbar window.
a. Horizontal Toolbar Canvas: - Horizontal Toolbar canvases are displayed at the top of the window, Just Under the Main Menu Bar.
b. Vertical Toolbar Canvas: - While vertical Toolbar are displayed along the Left Edge of the window.