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First off, thank all y'all for schooling me on Data Access Best Practices and FGVs, Action Engines and DVRs. Now let's dumb it down a bit. I want to ask about good(?) old-fashioned native Labview globals. Here's a use case: A control program for an industrial process has 10-20 adjustable parameters (numerics and booleans) on its GUI. These parameters are written once at program start based on values in an INI file, and then an arbitrary number of times thereafter when the user changes them. It is not critical for the process to update the user-changed value at the exact millisecond. So: globals? Or what? How lazy can I be, before the expected value of time and effort goes negative? Let's assume that the control program is subject to revisions such as adding more adjustable parameters. The additional parameters could represent new hardware that has been added, or simply taking advantage of more functions (that we had thought we could just set and forget) of existing hardware.