ventured down memory lane

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Hameed Akhtar was a respected columnist and wrote for many newspapers, most recently for Daily Express. His views on politics and social issues were greatly respected and in recent years, he frequently ventured down memory lane for the benefit of his readers.
What is mean underlined words.

[Rover_KE]

What is the meaning of the underlined words?

He recalled events from the past.

Rover

[Tdol]

To me, it suggests an element of nostalgia in recalling them.