trace

footprint, footstep, hoofprint, path, rut, step, tread

artifact, leavings, relic, remain(s), remainder, remnant, residual, residue, sign, spoor, token, vestige

clue, cue, hint, indication, inkling, intimation, lead, suggestion

scent, shadow, whiff

causeway

autoroute, interstate, superhighway

beltway, bypass, parkway

corniche, switchback

through street

Main Street

backstreet, branch, bystreet, byway, crossroad, secondary road, shunpike, side road, side street

alley, alleyway

circle, lane, place

cul-de-sac, dead end

corridor

track, trail

bridle path

towpath

alley, alleyway, bypath, byroad, bystreet, byway, passageway, walkway

cutoff, shortcut

lane, pass, passage, road, roadway, route, row, run, runway, street, thoroughfare

memento, remembrance, reminder

artifact

afterimage, aftertaste

balance, corpse, hangover, leftover, oddment, remainder, remnant, scrap

dreg(s), leavings, remain(s), residual, residue, rest

hoot, iota, jot, minim, minimum, modicum, semblance, syllable, tittle, vestige, whit

atom, dot, fleck, flyspeck, grain, granule, molecule, morsel, mote, nubbin, patch, scrap

dash, drop, pinch

part, portion, section

bite, nibble, taste

handful, scattering, smatter, smattering

dose, shot

inkling, intimation, scent, wind

evidence, indication, mark, sign

hoofprint

pug, spoor, track

tread

line

bound, fringe, margin, skirt

edge, hem, rim, trim

frame

circle, compass, encircle, girdle, girth, loop, ring, round, surround

chart, diagram, draw, map (out)

accompany, chaperone (or chaperon), escort

hunt, search (for), seek

eye, observe, watch