What are the Five Pillars of Islam? Describe the five pillars in some depth and detail.

Going beyond superficial description of what they physically entail, what might their pious performance mean on a deeper level to devout Muslims?

Beyond just mechanically or obediently “going through the motions” of fulfilling them as religious obligations, How might the Five Pillars impact, enrich, reinforce, or more deeply and meaningfully “resonate” with the spiritual life of thoughtful, reflective, and faithful Muslims?