Figure 5.5: The three ways to reach another system, drawn as a ladder
Figure 5.5 The three ways to reach another system, drawn as a ladder. Reliability
falls and reach widens as you descend—an API is a deterministic contract, a
structured browser targets elements by meaning through the accessibility tree,
and raw pixels can drive anything at all but the most cost. Start at the top
rung (in accent) and climb down only when the higher door does not exist.