1️⃣2️⃣　4️⃣5️⃣

#missing number #sequence gap #count gap #skipped number #data gap

1️⃣⬜️3️⃣

#missing information #sequence gap #incomplete series #missing step #fill in the blank #number sequence gap #data gap

📝🚫❓

#dedrocernu #unlogged #missing data #unaccounted #data gap #undocumented

📄➖❓

#missing data #incomplete document #data gap #unknown variable #factual gap #information missing #subtracted knowledge

🔢⬜️

#missing data #data gap #null value #placeholder number #empty value

🕳️📄/⚫️📄

#void symbol #null character #empty data #missing information symbol #data gap #blank document section

📊⏪🧩

#data engineering #historical data #reprocessing #data gap #fill data

📉　　📈

#data gap #trend gap #missing information #discontinuity #chart gap #incomplete data

❓⚫️*️⃣

#black asterisk #missing info #wildcard #mystery symbol #data gap

🧩　❔

#knowledge gap #incomplete information #information void #data gap #puzzle gap #unknown element

🔵↗↘️🔴➡️🔵

#nearest neighbor #interpolation #discrete value #closest value #piecewise constant #data gap

...⬜️...

#blank space #empty slot #missing entry #data gap #sequence gap

📈　　📉

#data gap #missing data point #trend interruption #information gap #sequence break #unknown value

📏…❓

#partial measurement #incomplete data #measurement uncertainty #truncated measurement #unknown range #data gap