Transition phrases have a very important function:
• Sharpen the theme of the presentation, or
• Solutions for opening presentations that are less relevant to the theme
Since the transition phrases have a very important function, then the public speaking skills of this type must be owned by anyone.
Public speaking skills for sharpen your theme
If you open a presentation with a jigsaw puzzle game, while the theme of your presentation is "organization goals" then you must make a transition phrases that connect between the jigsaw puzzle to organization goal. This is an important public speaking skills are rarely discussed by experts.
Examples of the opening presentations with jigsaw puzzles: