Old chess notation

I used to prefer it to the more recent a-g 1-8.

I've found that I need both algebraic (the new) and descriptive (the old) notation, especially when describing general opening strategy. For example, advising someone to kick a pinning bishop can be done with one line (P-R3) in descriptive notation, whereas it would take four lines (a3, h3, ...a6, ...h6) in algebraic notation. I noticed to my delight that author Pandolfini uses this same practice in his books on chess: both notations used on the same page or even in the same sentence, depending on need. Algebraic notation is standard, however. I doubt PGN and PGN players understand descriptive notation, and I doubt chess.com has any options for descriptive notation.

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(p. 109)
31
AILMENT:
Blocking the c-pawn in certain openings.

In order to get play against the opponent's center in
d-pawn games and flank openings, it's often nec-
cessary to advance the c-pawn, releasing your queen
and attacking the opponent's Q4 square. Without
this thrust, it's practically impossible to soften up
the opponent's central formation. The problems set
in when you develop the queen-knight to QB3 be-
fore moving the c-pawn, preventing the pawn from
moving at all.

Rx
1. In most queen-pawn games and flank openings,
avoid prematurely blocking the c-pawn.
2. Determine if it could be a weapon against the
enemy center.
3. Consider advancing it without direct protection.
4. Don't be afraid to rely on indirect defenses.
5. In your home analyses, acquaint yourself with the
typical ways to win back captured c-pawns.
6. For example, remember the moves Q-QR4, N-
QR3, N-K5, and P-QR4 to undermine the enemy's
protective b-pawn.
7. If your c-pawn is taken, aim to gain control of the
center, especially your K4.
8. Play practice games where you offer the c-pawn
soundly. Then try to get it back.

Pandolfini, Bruce. 1995. The Chess Doctor. New York: Simon & Schuster.

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Can someone give a breif overview on the two types of notations, I don't really understand.  Thanks in advance.

The Evergreen game (Adolf Anderssen versus Jean Dufresne, Berlin 1852) in English descriptive notation:

White: G. A. Anderssen   Black: J. Dufresne   Opening: Evans Gambit (ECO C52)

1. P-K4 P-K4 2. N-KB3 N-QB3 3. B-B4 B-B4 4. P-QN4 BxNP 5. P-B3 B-R4 6. P-Q4 PxP 7. O-O P-Q6 8. Q-N3 Q-B3 9. P-K5 Q-N3 10. R-K1 KN-K2 11. B-R3 P-N4 12. QxP R-QN1 13. Q-R4 B-N3 14. QN-Q2 B-N2? 15. N-K4 Q-B4? 16. BxQP Q-R4 17. N-B6 ch! PxN 18. PxP R-N1 19. QR-Q1! QxN 20. RxN ch NxR 21. QxP ch! KxQ 22. B-B5 dbl ch K-K1 23. B-Q7 ch K-B1 24. BxN mate

Algebraic is absolute; descriptive is relative.