Natural speed and pauses, please.
Lucid
1) expressed clearly; easy to understand
- She gave a clear and lucid account of her plans for the company's future.
2) able to think clearly
- He has a few lucid moments every now and then.
> lucidity
- Baker set a standard for explaining difficult art in language the public could understand; consequently, her books remain exemplars of lucidity in art-historical analysis.
Pellucid
1) admitting maximum passage of light without diffusion or distortion
- mountains reflected in the pellucid waters
2) lucid in style or meaning; easily understood
- He writes, as always, in pellucid prose.
Elucidate
to make (something) clear by explanation or analysis
- When asked for details, he declined to elucidate further.
- colored charts that really help to elucidate the points made in the text
Lucubration
laborious or intensive study, or the product of such study — usually used in plural
- After sixteen years' lucubration he produced this account.
Erudite
having or showing great knowledge or learning
- He is one of the most erudite scholars of Islam in modern times.
- He's the author of an erudite book on Scottish history.
Rigid
1) stiff
- a rigid steel and concrete structure
- I was rigid with fear.
2) strict
- He is a rigid disciplinarian.
- This is the tension of trying to maintain simultaneous commitments to the rigid laws of Judaism and inclusive, open American values.
Rigor
1) the quality of being extremely thorough, exhaustive, or accurate
- His analysis is lacking in rigor.
- They conducted the experiments with scientific rigor.
2) severity or strictness
- the full rigor of the law
3) (rigors) demanding, difficult, or extreme conditions
- They underwent the rigors of military training.
- the rigors of a harsh winter
Rigorous
1) extremely thorough, exhaustive, or accurate
- the rigorous testing of consumer product
2) controlling behavior in a severe way
- the rigorous controls governing the sale of shares
- rigorous enforcement of the rules
3) harsh and demanding
- a rigorous course of study
- My exercise regime is a little more rigorous than most.
