will someone please explain to me what brainliest means because it seems really important to everyone

Which term refers to the assignment of particular instruments to musical passages? a. articulation b. orchestration c. timbre d. dynamics

In three to five sentences, list and briefly explain the three elements of music

Need some ! asap i need to figure out 3 major changes in bridges over time and why these changes to adapt to both improvements in technology and changing social links would also alot.