filter (electronics or software to separate unwanted signal)

a tetrapod (a concrete structure used in breakwaters to absorb and reduce the energy of waves, such as along a shoreline)

phenomenology

point (at, to) / indicate; specify; point out / (shogi, chess) play (the game or a move); move (a piece); make (a move)

physics (as an area of study)

another, other, some other

existence / being; entity

exist

one thing

isolation