different between radiating vs sunburst

English

radiating

sun +? burst

sunburst (countable and uncountable, plural sunbursts)

(countable) A figure or shape showing rays radiating from a central point.
Synonym: starburst
(countable) A strong outburst of sunlight.
(uncountable) A style of finish for musical instruments such as guitars, having an area of lighter color (often showing the wood grain underneath) that darkens gradually towards a dark outer rim.
- 1996, Ken Achard, The History and Development of the American Guitar (page 10)
  The L-30 was finished all over in black, the L-37 in sunburst.

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