Final answer:
The correct illustration of the legal concept of elective share is spousal elective share. This concept ensures that a surviving spouse receives a portion of the deceased spouse's estate, providing financial security.
Step-by-step explanation:
The illustration of the legal concept of elective share is D) Spousal elective share.
The concept of the elective share is rooted in common law, which allows a surviving spouse to claim a percentage of the deceased spouse's estate, regardless of the contents of the will. This prevents a spouse from being disinherited and ensures that they receive a portion of the estate. Each state has its own specific laws governing the percentage that the surviving spouse is entitled to, but the underlying principle remains to provide financial security for the surviving spouse after the other's death.