A lot of frustration around the vagueness of online guides to DP. Here are the chapter headings from the Practiceopedia, an out of print guide to using deliberate practice principles in music training, with much broader applicability for most of them. This should give some idea of the detailed resolution you're looking for with DP.

Chapter guide

Beginners:
curing your addiction to the start of your peace

Blinkers:
shutting out the things you shouldn't be working on

Boot camp:
where you need to send passages that won't behave

Breakthroughs diary:
keeping track of your progress

Bridging:
smoothing the bumps between sections

Bug spotting:
because you can't fix what you don't know about

Campaigns:
connecting your daily practice to the big picture

Cementing:
locking in the version you want to keep

Chaining:
getting to full speed one segment at a time

Clearing obstacles:
finding what causes tricky bits to be tricky

Clock Watchers:
curing the unhealthy obsession with time

Closure:
knowing when you can safely stop practicing something

Color coding:
a whole new dimension to marking your score

Coral reef mistakes:
detecting invisible trouble spots

Cosmetics:
minimizing the impact of weak capacities on concert day

Countdown charts:
factoring your deadlines into your practice

Designer scales:
choosing technical work to support your pieces

Details trawl:
ensuring you know what's really in the score

Dress rehearsals:
setting up your own concert simulator

Engaging autopilot:
the dangers of practicing without thinking

Exaggerating:
overstating key ideas to embed them

Excuses and ruses:
why you'll never really fool your teacher if you haven't practiced

Experimenting:
testing different interpretation options

Fire drills:
training to cope gracefully with onstage mistakes

Fitness training:
behind the scenes practice to help all your pieces

Fresh photocopies:
creating your own custom scores tailored for practicing

Horizontal versus vertical:
knowing when to change your practice Direction

Isolating:
stopping problems from interfering with each other

Lesson agenda:
setting aside issues to raise at your next lesson

Lesson pre-flight check:
finding out if you're on track for next lesson

Lesson review:
ensuring last lesson is fresh in your mind while you work

Level system:
the astonishing power of Tiny Steps

Marathon week:
pushing yourself to find out what's really possible

Metronome method:
sneaking up on full tempo

Not wanting to practice:
how to manage the biggest practice crisis of all

One Way doors:
eliminating the need for constant revision

Openings and endings:
VIP attention for the most important parts of any performance

Painting the scene:
giving your performances a cinematic Edge

Practice Buddies:
using the power of competition and cooperation

Practice traps:
bad habits that waste your time and wreck your playing

Pressure testing:
ensuring you can produce your best playing when it counts most

Randomizing:
the ultimate way to end the practice ho hums

Prototypes:
building a model of the ideal performance

Recording yourself:
finding out and responding to what you really sound like

Recordings:
using existing performances to supercharge your preparation

Reflecting:
why the best practice sometimes makes no sound at all

Restoration:
relearning old pieces without regressing

Rogue cells:
when the smallest unit of practice goes bad

Scouting:
getting to know your new piece before you start practicing it

Session agenda:
creating and working with daily practice to do lists

Shooting the movies:
a smarter way to work out what's next

Speeding:
the hidden damage caused by practicing too fast

Stalling:
what to do when a piece gets stuck

Thematic practice:
a powerful alternative to practicing in sections

Tightening:
making the leap from good enough to excellent

Triage:
when there's too much to do and not enough time to do it

Triggers:
setting up cues that get you practicing in the first place

Turn around time:
mastering new pieces in weeks instead of months

Varying your diet:
freeing yourself from dull repetitive practice

Visualizing:
the most important practice you'll ever do

Your practice sweet spot:
setting up the ultimate practice space