Terms:
Modular resuable components, toast, html, bs5, fontawesome, Follow DRY (Don't Repeat Yourself) principles,camelCase, card based theme, mobile responsive, 
professional look and feel, dashboard
functions: use/chg bs themes, spinner for slow tasks, page up/down, toast messaging, 
admin: database checks, security. checks, duplicates, bad records, dashboard, tools to add to faq, missing days stock market open (id list of holidays/closings), adhoc queries and tools;  todo list of new/bug features
Settings: global settings debugFlg, theme, user level, adv debugging - additional error messaging depending on the error level

use of json configuration files for customization/setup

Documentation:
user, programmer, function calls, flow charts, recommendations for improvement

improvements;
refactor, performance, id long running processes, duplicate/obsolete code, o

Code breakdown/modules designed for re-use in other apps; organize that way;
standard app configuration: 